Cache Vello render output as stitchable textures (#3722)

* WIP render caching

* Hook up render cache to render pipeline

* Fixed offsets

* Initial cleanup

* Integrate cache with context invalidation

* Cleanup

* Improve rounding and reduce tile size to fix vello not rendering

* Include pointer position in cache key

* Avoid unwraps and zero sized textures

* Destroy textures after blitting to surface

* Fix context dependencies

* Exclude footprint from render params

* Batch animation frame messages

* Add vello max render size to preference dialogue

* Remove unused import

* Reorder vello preference

* Clean up preferences dialog

* Apply review suggestions

* Cap max render region size

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Co-authored-by: Keavon Chambers <keavon@keavon.com>

editor/src/node_graph_executor/runtime.rs

@@ -370,6 +370,8 @@ impl NodeRuntime {
 							executor.context.queue.submit([encoder.finish()]);
 							surface_texture.present();
 
+							// TODO: Figure out if we can explicityl destroy the wgpu texture here to reduce the allocation pressure. We might also be able to use a texture allocation pool
+
 							let frame = graphene_std::application_io::SurfaceFrame {
 								surface_id: surface.window_id,
 								resolution: logical_resolution,